The Wayback Machine - https://web.archive.org/web/20111204042735/http://www.mathworks.com:80/help/techdoc/data_analysis/ug_intropage.html

| Contact Us | Cart

Cart

Product Documentation


R2011b Documentation → MATLAB
View documentation for other releases	Learn more about MATLAB

Contents

Index

• Getting Started

• Product Overview

Overview of the MATLAB Environment

The MATLAB System

• Starting and Quitting the MATLAB Program

Starting a MATLAB Session

Quitting the MATLAB Program

• Matrices and Magic Squares

Entering Matrices

sum, transpose, and diag

The Colon Operator

The magic Function

• Expressions

Examples of Expressions

• Working with Matrices

Generating Matrices

The load Function

Saving Code to a File

Deleting Rows and Columns

• More About Matrices and Arrays

Multivariate Data

Scalar Expansion

Logical Subscripting

The find Function

• Controlling Command Window Input and Output

The format Function

Suppressing Output

Entering Long Statements

Command Line Editing

• Plotting Data

Interactive or Command Approach

• Plotting Techniques

Plotting Workflow

• Graph Components

Graph Components

Arranging Graphs Within a Figure

• Choosing a Graph Type

Choosing a Type of Graph to Plot

• Editing Plots

Using Functions to Edit Graphs

• Interactive Plotting

Plotting Two Variables with Plotting Tools

Changing the Appearance of Lines and Markers

Adding More Data to the Graph

Changing the Type of Graph

Modifying the Graph Data Source

• Preparing Graphs for Presentation

Annotating Graphs

Printing the Graph

Exporting the Graph

• Basic Plotting Functions

Creating a Plot

Plotting Multiple Data Sets in One Graph

Specifying Line Styles and Colors

Plotting Lines and Markers

Graphing Imaginary and Complex Data

Adding Plots to an Existing Graph

Displaying Multiple Plots in One Figure

Controlling the Axes

Adding Axis Labels and Titles

• Creating Mesh and Surface Plots

About Mesh and Surface Plots

Visualizing Functions of Two Variables

• Plotting Image Data

About Plotting Image Data

Reading and Writing Images

• Printing Graphics

Overview of Printing

Printing from the File Menu

Exporting the Figure to a Graphics File

Using the Print Command

• Understanding Handle Graphics Objects

Using the Handle

Graphics Objects

Setting Object Properties

Specifying the Axes or Figure

Finding the Handles of Existing Objects

• Flow Control

Conditional Control - if, else, switch

Loop Control - for, while, continue, break

Error Control - try, catch

Program Termination - return

• Other Data Structures

Multidimensional Arrays

Characters and Text

• Scripts and Functions

Types of Functions

Global Variables

Passing String Arguments to Functions

The eval Function

Function Handles

Function Functions

• Object-Oriented Programming

MATLAB Classes and Objects

Learn About Defining MATLAB Classes

• Preprocessing Data

Loading the Data

Smoothing and Filtering

• Summarizing Data

Measures of Location

Measures of Scale

Shape of a Distribution

• Visualizing Data

2-D Scatter Plots

3-D Scatter Plots

Scatter Plot Arrays

Exploring Data in Graphs

• Modeling Data

Polynomial Regression

General Linear Regression

• Laying Out a GUI

The Layout Editor

Programming a GUI

• Desktop Overview

Introduction to the Desktop

Arranging the Desktop

• Command Window and Command History

Command History

• Getting Help

Ways to Get Help

Searching for Documentation and Demos

• Workspace Browser and Variable Editor

Workspace Browser

Variable Editor

• Managing Files in MATLAB

How MATLAB Helps You Manage Files

Making Files Accessible to MATLAB

Using the Current Folder Browser to Manage Files

More Ways to Manage Files

Finding and Getting Files Created by Other Users - File Exchange

Editing MATLAB Code Files

Identifying Problems and Areas for Improvement

Publishing MATLAB Code Files

• Improving and Tuning Your MATLAB Programs

Finding Errors Using the Code Analyzer Report

Improving Performance Using the Profiler

• Programming Interfaces

Call MATLAB Software from C/C++ and Fortran Programs

Call C/C++ and Fortran Programs from MATLAB Command Line

Call Sun Java Commands from MATLAB Command Line

Call Functions in Shared Libraries

Import and Export Data

Interface to .NET Framework

Component Object Model Interface

Serial Port Interface

• User's Guide

• Desktop Tools and Development Environment

• Data Import and Export

• Mathematics

• Data Analysis

• Data Processing

• Importing and Exporting Data

• Plotting Data

• Missing Data

Inconsistent Data

• Filtering Data

• Detrending Data

Differencing Data

• Descriptive Statistics

• Interactive Data Exploration

• What Is Interactive Data Exploration?

• Marking Up Graphs with Data Brushing

• Making Graphs Responsive with Data Linking

• Interacting with Graphed Data

• Regression Analysis

• Linear Correlation

• Linear Regression

• Interactive Fitting

• Programmatic Fitting

• Time Series Analysis

• Time Series Objects

• Time Series Tools

• Programming Fundamentals

• Object-Oriented Programming

• 3-D Visualization

• Creating Graphical User Interfaces

Handle Graphics Property Browser

• External Interfaces

• C/C++ and Fortran API Reference

• Release Notes

Data Analysis

The MATLAB^® data analysis environment provides functions and graphical user interfaces (GUIs) for array-based statistics and data analysis in the following categories:

Data Processing	Basic techniques
Interactive Data Exploration	Using graphic methods to analyze data
Regression Analysis	Data modeling
Time Series Analysis	Time series data

Data Processing

Data Processing

Recommended Products

Get MATLAB trial software

Includes the most popular MATLAB recorded presentations with Q&A; sessions led by MATLAB experts.

Get the Interactive Kit

© 1984-2011- The MathWorks, Inc. - Site Help - Patents - Trademarks - Privacy Policy - Preventing Piracy - RSS